What is the 1st mountain chain
range west of the Great Plains?

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

The mechanization of agriculture has resulted in all of the following excepta increased productionb. an increased ability to feed growing global populationsc. decreased erosion as a result of advanced planting machinesd. increased employment in the farming industry